<template>
  <div class="search-box">
    <i class='icon-search'></i>
    <input type='text' ref='query' v-model='query' class='box' :placeholder='placeholder'>
    <i @click='clear' v-show='query' class='icon-dismiss'></i>
  </div>
</template>

<script>
  import { debounce } from 'common/js/util'

  export default {
    name: '',
    props: {
      placeholder: {
        type: String,
        default: '搜索歌曲 歌手'
      }
    },
    data() {
      return {
        query: ''
      }
    },
    created() {
      //真正调用的是 function (...args)
      this.$watch('query', debounce((newQuery) => {
        this.$emit('query', newQuery)
      }, 200))
    },
    mounted() {
    },
    destroyed() {
    },
    methods: {
      setQuery(key) {
        this.query = key
      },
      clear() {
        this.query = ''
      },
      blur() {
        this.$refs.query.blur()
      }
    },
    computed: {},
    watch: {},
    components: {}
  }
</script>

<style lang="stylus" scoped>
  @import "~common/stylus/variable"

  .search-box
    display: flex
    align-items: center
    box-sizing: border-box
    width: 100%
    padding: 0 6px
    height: 40px
    background: $color-highlight-background
    border-radius: 6px
    .icon-search
      font-size: 24px
      color: $color-background
    .box
      flex: 1
      margin: 0 5px
      line-height: 18px
      background: $color-highlight-background
      color: $color-text
      font-size: $font-size-medium
      &::placeholder
        color: $color-text-d
    .icon-dismiss
      font-size: 16px
      color: $color-background
</style>
